create dropdown menu XHTML Css Jquery .JS

Pay up to $30. I got one of those free web templates online for my new website. And the template is xhtml css jquery javascript. The menu has 5 buttons, but I need 6. The menu has some hover, but no drop down menu. I will give you of example of the structure . I'm having trouble uploading screenshot. I'd like to have this done in 1 day.